<template>
  <div id="app">
    <router-view/>
  </div>
</template>

<style lang="scss">
*{
  padding: 0;
  margin: 0;
}
.main-group{
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}
.div-center{
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-group{
  margin: 10px auto;
}
</style>
